EP0910165A3 - Procédé et dispositif d'étalonnage d'un filtre actif - Google Patents

Procédé et dispositif d'étalonnage d'un filtre actif Download PDF

Info

Publication number: EP0910165A3
Authority: EP; European Patent Office
Prior art keywords: integrated; resistances; filter; corrected; calibration
Prior art date: 1997-10-15
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

EP98660104A

Other languages

German (de)

English (en)

Other versions

EP0910165B1 (fr

EP0910165A2 (fr

Inventor

Harri Kimppa

Markus Pettersson

Kjell Östman

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Nokia Oyj

Original Assignee

Nokia Oyj

Nokia Inc

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1997-10-15

Filing date

1998-10-15

Publication date

2002-05-29

1998-10-15 Application filed by Nokia Oyj, Nokia Inc filed Critical Nokia Oyj

1999-04-21 Publication of EP0910165A2 publication Critical patent/EP0910165A2/fr

2002-05-29 Publication of EP0910165A3 publication Critical patent/EP0910165A3/fr

2003-12-10 Application granted granted Critical

2003-12-10 Publication of EP0910165B1 publication Critical patent/EP0910165B1/fr

2018-10-15 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/04—Frequency selective two-port networks
- H03H11/12—Frequency selective two-port networks using amplifiers with feedback
- H03H11/1291—Current or voltage controlled filters
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/04—Frequency selective two-port networks
- H03H11/12—Frequency selective two-port networks using amplifiers with feedback

Landscapes

Networks Using Active Elements (AREA)

EP98660104A 1997-10-15 1998-10-15 Procédé et dispositif d'étalonnage d'un filtre actif Expired - Lifetime EP0910165B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FI973963		1997-10-15
FI973963A FI103744B (fi)	1997-10-15	1997-10-15	Menetelmä ja järjestely aktiivisuotimen kalibroimiseksi

Publications (3)

Publication Number	Publication Date
EP0910165A2 EP0910165A2 (fr)	1999-04-21
EP0910165A3 true EP0910165A3 (fr)	2002-05-29
EP0910165B1 EP0910165B1 (fr)	2003-12-10

Family

ID=8549733

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP98660104A Expired - Lifetime EP0910165B1 (fr)	1997-10-15	1998-10-15	Procédé et dispositif d'étalonnage d'un filtre actif

Country Status (4)

Country	Link
US (1)	US7113028B2 (fr)
EP (1)	EP0910165B1 (fr)
DE (1)	DE69820383T2 (fr)
FI (1)	FI103744B (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2001156591A (ja) *	1999-11-25	2001-06-08	Alps Electric Co Ltd	能動フィルタ及びその帯域調整方法
US6838946B2 (en) *	2002-04-10	2005-01-04	Qualcomm Incorporated	Circuit and method for adjusting circuit tolerances
EP1458096A1 (fr)	2003-02-26	2004-09-15	STMicroelectronics S.r.l.	Système de contrôle des paramètres caractéristiques d'un filtre actif
US7002417B2 (en) *	2003-03-21	2006-02-21	Nokia Corporation	RC and SC filter compensation in a radio transceiver
DE10321200B3 (de) *	2003-05-12	2005-02-03	Infineon Technologies Ag	Einrichtung und Verfahren zur Kalibrierung von R/C-Filterschaltungen
US6972633B2 (en) *	2003-08-27	2005-12-06	Nokia Corporation	Calibrating a loop-filter of a phase locked loop
KR100750650B1 (ko) *	2005-06-22	2007-08-20	인티그런트 테크놀로지즈(주)	튜닝 회로.
US7516428B2 (en) *	2006-05-11	2009-04-07	Sige Semiconductor (Europe) Limited	Microwave circuit performance optimization by on-chip digital distribution of operating set-point
KR101409930B1 (ko) *	2006-10-13	2014-07-03	삼성전자주식회사	알씨 시상수를 가변적으로 조절하기 위한 보상기 및 이를이용한 차단 주파수 제어하기 위한 장치
US9793181B2 (en) *	2015-03-16	2017-10-17	Stmicroelectronics (Grenoble 2) Sas	Resistor calibration using a MOS capacitor
KR101911269B1 (ko) *	2017-04-24	2018-10-24	엘지전자 주식회사	전력 변환 장치 및 이를 포함하는 공기 조화기
CN108111146B (zh) *	2018-01-30	2023-09-08	上海航天芯锐电子科技有限公司	有源滤波器的时间常数的自动校准电路

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4791379A (en) *	1985-02-13	1988-12-13	U.S. Philips Corporation	Electrical filter with adjustable RC product
US4851719A (en) *	1986-07-30	1989-07-25	Kabushiki Kaisha Toshiba	Time constant automatic adjustment circuit for a filter circuit
EP0477694A2 (fr) *	1990-09-26	1992-04-01	National Semiconductor Corporation	Méthode et circuit d'accord d'un filtre à temps continu

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3849677A (en) *	1973-06-26	1974-11-19	Westinghouse Electric Corp	Hybrid power filters employing both active and passive elements
US3946328A (en) *	1975-01-27	1976-03-23	Northern Electric Company, Limited	Functionally tunable active filter
US4156853A (en)	1978-02-09	1979-05-29	Westinghouse Electric Corp.	Active filter for providing improved notch and band pass filters
FI91337C (fi)	1990-04-27	1994-06-10	Nokia Mobile Phones Ltd	Kytkentäjärjestely harhatoiston eliminoimiseksi radiopuhelimen vastaanottimessa
US5303404A (en)	1991-10-17	1994-04-12	Nokia Mobile Phones Ltd.	Adjustable bandwidth in a radiotelephone
US5187445A (en)	1991-10-28	1993-02-16	Motorola, Inc.	Tuning circuit for continuous-time filters and method therefor
FI98580C (fi)	1991-11-14	1997-07-10	Nokia Mobile Phones Ltd	Selektiivisyyssuodatus solukkopuhelimessa
JP2715770B2 (ja) *	1991-12-26	1998-02-18	日本電気株式会社	時定数検出回路及び時定数調整回路
US5416438A (en)	1992-03-18	1995-05-16	Nec Corporation	Active filter circuit suited to integration on IC chip
FI950106L (fi)	1995-01-10	1996-07-11	Nokia Mobile Phones Ltd	Menetelmä ja kytkentä häiriöiden suodattamiseksi radiolaitteen vastaanottimessa
US5994951A (en) *	1997-01-21	1999-11-30	Vtc Inc.	Automatic-tuning circuit for integrated continuous-time MOSFET-C filters
US6259311B1 (en) *	1998-12-23	2001-07-10	Agere Systems Guardian Corp.	Method and apparatus for tuning filters

1997
- 1997-10-15 FI FI973963A patent/FI103744B/fi not_active IP Right Cessation
1998
- 1998-10-14 US US09/172,510 patent/US7113028B2/en not_active Expired - Lifetime
- 1998-10-15 EP EP98660104A patent/EP0910165B1/fr not_active Expired - Lifetime
- 1998-10-15 DE DE69820383T patent/DE69820383T2/de not_active Expired - Lifetime

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4791379A (en) *	1985-02-13	1988-12-13	U.S. Philips Corporation	Electrical filter with adjustable RC product
US4851719A (en) *	1986-07-30	1989-07-25	Kabushiki Kaisha Toshiba	Time constant automatic adjustment circuit for a filter circuit
EP0477694A2 (fr) *	1990-09-26	1992-04-01	National Semiconductor Corporation	Méthode et circuit d'accord d'un filtre à temps continu

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
TSIVIDIS Y ET AL: "CONTINUOUS-TIME MOSFET-C FILTERS IN VLSI", IEEE JOURNAL OF SOLID-STATE CIRCUITS, IEEE INC. NEW YORK, US, vol. SC-21, no. 1, 1 February 1986 (1986-02-01), pages 15 - 30, XP000577205, ISSN: 0018-9200 *

Also Published As

Publication number	Publication date
US20010045864A1 (en)	2001-11-29
FI103744B1 (fi)	1999-08-31
EP0910165B1 (fr)	2003-12-10
FI103744B (fi)	1999-08-31
FI973963A7 (fi)	1999-04-16
US7113028B2 (en)	2006-09-26
EP0910165A2 (fr)	1999-04-21
FI973963A0 (fi)	1997-10-15
DE69820383T2 (de)	2004-10-14
DE69820383D1 (de)	2004-01-22

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2002-03-13	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: NOKIA CORPORATION
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